1-12 Calibration Requirements — Vector Network Analyzer General Information
1-8 PN: 10580-00301 Rev. D MS20xxB UG
1-13 Annual Verification
Anritsu recommends an annual calibration and performance verification of the VNA Master
and the OSL calibration components and InstaCal module by local Anritsu service centers.
The VNA Master is self-calibrating and has no field-adjustable components. The OSL
calibration components are crucial to the integrity of the calibration. As a result, they must be
verified periodically to ensure performance conformity. This is especially important if the
OSL calibration components have been accidentally dropped or over-torqued. Contact
information for Anritsu Service Centers is available at:
http://www.anritsu.com/Contact.asp
1-14 ESD Cautions
The VNA Master, like other high performance instruments, is susceptible to ESD damage.
Coaxial cables and antennas can easily build up a static charge, which (if allowed to discharge
by connecting directly to the VNA Master without first discharging the static charge) may
damage the instrument input circuitry. Operators must be aware of the potential for ESD
damage and must take all necessary precautions.
Operators should exercise practices outlined within industry standards such as JEDEC-625
(EIA-625), MIL-HDBK-263, and MIL-STD-1686, which pertain to ESD and ESDS devices,
equipment, and practices. Because these standards apply to the VNA Master, Anritsu
Company recommends that any static charges that may be present be dissipated before
connecting coaxial cables or antennas to the VNA Master. This may be as simple as
temporarily attaching a short or load device to the cable or antenna prior to attaching to the
VNA Master. Remember that the operator may also carry a static charge that can cause
damage. Following the practices outlined in these standards helps to ensure that a safe
environment exists for both personnel and equipment.
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